Two of my booms were older chinook aluminum booms that were used frequently in saltwater. They had the older rigid boom head and broke right where the booms attach. I also broke a rental boom (also aluminum in saltwater) so I HIGHLY recommend insurance when renting (also put my head through a sail by just carrying it on my head!).

Chinook has since upgraded their boom head 2 or 3 times to make it more adaptive to the flexes of the boom. However since then I have changed to carbon, and sail mostly the Gorge with an annual visit to SPI (salt water). Hmm, I also tend to jump hooked in, but then again, these are not big jumps.

Nothing in the previous comments indicates that line length had anything to do with the boom breaking... nothing. I'd bet that the amount of force seen by a boom with long lines in the same place and short lines spread a reasonable amount apart is well within the design limitations of a boom. Would a good boom designer make a boom that would likely fail under the circumstances pictured? No.

What brand of boom was that? How old is it? I have broken one boom at the center of harness lines. It was a no-name POS carbon boom. Now, I use proven carbon booms that are in good condition.

Chinook aluminum cheapo sailed in the salt water allot. Broke another cheapo today in Hawaii. Is carbon stronger than aluminum don't give a crap about weight,

Nothing in the previous comments indicates that line length had anything to do with the boom breaking... nothing. I'd bet that the amount of force seen by a boom with long lines in the same place and short lines spread a reasonable amount apart is well within the design limitations of a boom. Would a good boom designer make a boom that would likely fail under the circumstances pictured? No.

What brand of boom was that? How old is it? I have broken one boom at the center of harness lines. It was a no-name POS carbon boom. Now, I use proven carbon booms that are in good condition.

Chinook aluminum cheapo sailed in the salt water allot. Broke another cheapo today in Hawaii. Is carbon stronger than aluminum don't give a crap about weight,

One factor to consider in choosing harness line length is lateral tennis tendinopathy, aka tennis elbow. One of its specific causes is full extension of the arm coupled with force. The closest thing to a cure for tendinopathy is months -- sometimes 6-12 -- of rest.

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